345 BC

345 BC refers to the year 345 before the Common Era (also known as BCE, or Before Christ). It was a year in the pre-Julian Roman calendar. It is used in historical contexts to denote events that occurred during that specific year. Because it precedes the Gregorian calendar system, its determination relies on historical reconstructions and correlations with other dating systems of the time. Historical accounts and archaeological evidence are used to understand the key events and societal structures present in 345 BC across different regions of the world.